Power adapter



FIG. 1 is a perspective view of a power adapter showing our design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an end view thereof;

FIG. 6 is an end view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a cross-sectional view thereof.

The broken lines in the drawings illustrate portions of the power adapter or environment and form no part of the claimed design. 

CLAIM The ornamental design for a power adapter, as shown and described. 